[INFO] cloning repository https://github.com/imacodr/vanilla_manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imacodr/vanilla_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimacodr%2Fvanilla_manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimacodr%2Fvanilla_manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fddfb0c674b0e7981161241f178c716a3c23987c
[INFO] checking imacodr/vanilla_manager against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimacodr%2Fvanilla_manager" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imacodr/vanilla_manager on toolchain 19f42cb9bb65555e7d95dab7d17573ae6c5d634c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imacodr/vanilla_manager
[INFO] finished tweaking git repo https://github.com/imacodr/vanilla_manager
[INFO] tweaked toml for git repo https://github.com/imacodr/vanilla_manager written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/imacodr/vanilla_manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d28b28d35c45b0de56d72c39a296a7c7a2da271b7c897cff5eaa7dee63b1f82
[INFO] running `Command { std: "docker" "start" "-a" "7d28b28d35c45b0de56d72c39a296a7c7a2da271b7c897cff5eaa7dee63b1f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d28b28d35c45b0de56d72c39a296a7c7a2da271b7c897cff5eaa7dee63b1f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d28b28d35c45b0de56d72c39a296a7c7a2da271b7c897cff5eaa7dee63b1f82", kill_on_drop: false }`
[INFO] [stdout] 7d28b28d35c45b0de56d72c39a296a7c7a2da271b7c897cff5eaa7dee63b1f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ddee7fa28a36d971cbaa1cb1f64cc119ae62564db26fad84e152cb5ee4ea970
[INFO] running `Command { std: "docker" "start" "-a" "2ddee7fa28a36d971cbaa1cb1f64cc119ae62564db26fad84e152cb5ee4ea970", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking os_info v3.2.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking vanilla_icecream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `os_times`
[INFO] [stdout]   --> src/verify_studio.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut os_times: Vec<std::time::SystemTime> = vec![];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_times`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `os_times`
[INFO] [stdout]   --> src/verify_studio.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut os_times: Vec<std::time::SystemTime> = vec![];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_os_times`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/verify_studio.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   if let Ok(time) = metadata.modified() {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/verify_studio.rs:54:39
[INFO] [stdout]    |
[INFO] [stdout] 54 | ...                   if let Ok(time) = metadata.modified() {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/verify_studio.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut os_times: Vec<std::time::SystemTime> = vec![];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/verify_studio.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut os_times: Vec<std::time::SystemTime> = vec![];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "2ddee7fa28a36d971cbaa1cb1f64cc119ae62564db26fad84e152cb5ee4ea970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddee7fa28a36d971cbaa1cb1f64cc119ae62564db26fad84e152cb5ee4ea970", kill_on_drop: false }`
[INFO] [stdout] 2ddee7fa28a36d971cbaa1cb1f64cc119ae62564db26fad84e152cb5ee4ea970